#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,r[100005];
int main () {
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>r[i];
    sort(r+1,r+n+1);
    ll ans=n;
    ll L=1;
    for(int i=2;i<=n;i++){
        if(r[i]>r[L]){
            ans--;
            L++;
        }
    }
    cout<<ans<<endl;
    return 0;
}